--- version: rssac002v3 service: m.root-servers.net start-period: '2019-06-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3727585464 dns-udp-queries-received-ipv6: 906324859 dns-udp-responses-sent-ipv4: 3585210681 dns-udp-responses-sent-ipv6: 843975892 dns-tcp-queries-received-ipv4: 186486377 dns-tcp-queries-received-ipv6: 55912121 dns-tcp-responses-sent-ipv4: 186056773 dns-tcp-responses-sent-ipv6: 55928797